U0204: Lost Communication With Door Control Module F
System
Manufacturer-Specific Network
What Does U0204 Mean?
U0204 is a diagnostic trouble code indicating: Lost Communication With Door Control Module F. This code relates to the manufacturer-specific network system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
What To Do Next
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.
Related Codes
U0199
Lost Communication With Door Control Module A
U0200
Lost Communication With Door Control Module B
U0201
Lost Communication With Door Control Module C
U0202
Lost Communication With Door Control Module D
U0203
Lost Communication With Door Control Module E
U0205
Lost Communication With Door Control Module G
U0206
Lost Communication With Folding Top Control Module
U0207
Lost Communication With Moveable Roof Control Module A